Home / 26,284.11-39,402.71-9,640.25

Finding the Fourth Proportional to 26,284.11, 39,402.71 and 9,640.25

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Solution

The fourth proportional to 26,284.11, 39,402.71 and 9,640.25 is: 14,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,284.11 : 39,402.71 = 9,640.25 : x
  2. Step 2: Convert to fraction form
    26,284.11/39,402.71 = 9,640.25/x
  3. Step 3: Cross multiply
    26,284.11x = 39,402.71 × 9,640.25
  4. Step 4: Simplify right side
    26,284.11x = 379,851,729.86
  5. Step 5: Solve for x
    x = 379,851,729.86/26,284.11
  6. Step 6: Final answer
    x = 14,451.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.